Explore calculation, multiplication, division, fractions, number properties, units and geometry.
These links follow Chicodori’s Japanese directory. Most destinations use Japanese. Check each site for its language, availability and terms.
Addition & subtraction
Make tenExternal resource · Japanese directory
Monsters: calculation up to tenExternal resource · Japanese directory
Addition MonstersExternal resource · Japanese directory
OCTataki: addition and subtractionExternal resource · Japanese directory
Handwritten 100-square calculationExternal resource · Japanese directory
Gear DrillExternal resource · Japanese directory
Arithmetic Masters 2External resource · Japanese directory
Number Hunt 1Chicodori resource
Cross CalculationChicodori resourceMultiplication
Handwritten 100-square calculationExternal resource · Japanese directory
Gear DrillExternal resource · Japanese directory
Kuku JuhachiExternal resource · Japanese directory
Multiplication Table MasterExternal resource · Japanese directory
Multiplication MonstersExternal resource · Japanese directory
Mixed Multiplication MonstersExternal resource · Japanese directory
Reverse Multiplication MonstersExternal resource · Japanese directory
Multiplication chainExternal resource · Japanese directory
Arithmetic Masters 2External resource · Japanese directoryNumber Hunt 1Chicodori resourceDivision
Handwritten 100-square calculationExternal resource · Japanese directory
Gear DrillExternal resource · Japanese directoryMixed Multiplication MonstersExternal resource · Japanese directory
Arithmetic Masters 2External resource · Japanese directory
Division quizExternal resource · Japanese directory
Let’s do divisionExternal resource · Japanese directoryFractions
Gear DrillExternal resource · Japanese directory
Fractions quizExternal resource · Japanese directoryNumber properties
Gear DrillExternal resource · Japanese directoryUnits
Geometry
Area territory battleExternal resource · Japanese directory
Compare areasExternal resource · Japanese directory
Different ways to find areaExternal resource · Japanese directory
PolypadExternal resource · Japanese directory